Home / 97,935.78-135,101.63-63,964.17

Finding the Fourth Proportional to 97,935.78, 135,101.63 and 63,964.17

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Solution

The fourth proportional to 97,935.78, 135,101.63 and 63,964.17 is: 88,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,935.78 : 135,101.63 = 63,964.17 : x
  2. Step 2: Convert to fraction form
    97,935.78/135,101.63 = 63,964.17/x
  3. Step 3: Cross multiply
    97,935.78x = 135,101.63 × 63,964.17
  4. Step 4: Simplify right side
    97,935.78x = 8,641,663,308.78
  5. Step 5: Solve for x
    x = 8,641,663,308.78/97,935.78
  6. Step 6: Final answer
    x = 88,238.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.